/**
 *@ClassName NumAndStr
 *
 *@Author ykx
 *@Date  2024/6/17 20:59
 *@Version 1.0
 */
fun main(args: Array<String>) {
    var a = 13
    var b = "13"
    b = a.toString()
    a = b.toInt()

    var c = "a3"
    

}